Home / 7,003,666.53-9,665,207.70-3,947,879.97

Finding the Fourth Proportional to 7,003,666.53, 9,665,207.70 and 3,947,879.97

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Solution

The fourth proportional to 7,003,666.53, 9,665,207.70 and 3,947,879.97 is: 5,448,157.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003,666.53 : 9,665,207.70 = 3,947,879.97 : x
  2. Step 2: Convert to fraction form
    7,003,666.53/9,665,207.70 = 3,947,879.97/x
  3. Step 3: Cross multiply
    7,003,666.53x = 9,665,207.70 × 3,947,879.97
  4. Step 4: Simplify right side
    7,003,666.53x = 38,157,079,884,719.77
  5. Step 5: Solve for x
    x = 38,157,079,884,719.77/7,003,666.53
  6. Step 6: Final answer
    x = 5,448,157.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.